author | Girish Moodalbail <Girish.Moodalbail@oracle.COM> |
Mon, 08 Dec 2014 15:34:49 -0800 | |
changeset 3524 | ad6a9e0880b9 |
parent 1944 | 56ac2df1785b |
child 3998 | 5bd484384122 |
permissions | -rw-r--r-- |
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#!/usr/bin/python2.6 |
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# Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved. |
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# |
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# Licensed under the Apache License, Version 2.0 (the "License"); you may |
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# not use this file except in compliance with the License. You may obtain |
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# a copy of the License at |
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# |
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# http://www.apache.org/licenses/LICENSE-2.0 |
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# |
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# Unless required by applicable law or agreed to in writing, software |
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT |
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the |
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# License for the specific language governing permissions and limitations |
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# under the License. |
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import os |
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import re |
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import sys |
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import smf_include |
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from subprocess import CalledProcessError, Popen, PIPE, check_call |
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def start(): |
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# verify paths are valid |
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for f in sys.argv[2:4]: |
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if not os.path.exists(f) or not os.access(f, os.R_OK): |
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print '%s does not exist or is not readable' % f |
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return smf_include.SMF_EXIT_ERR_CONFIG |
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cmd = "/usr/lib/neutron/neutron-dhcp-agent --config-file %s " \ |
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"--config-file %s" % tuple(sys.argv[2:4]) |
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smf_include.smf_subprocess(cmd) |
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def stop(): |
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try: |
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# first kill the SMF contract |
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check_call(["/usr/bin/pkill", "-c", sys.argv[2]]) |
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except CalledProcessError as err: |
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print "failed to kill the SMF contract: %s" % err |
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return smf_include.SMF_EXIT_ERR_FATAL |
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cmd = ["/usr/sbin/ipadm", "show-if", "-p", "-o", "ifname"] |
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p = Popen(cmd, stdout=PIPE, stderr=PIPE) |
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output, error = p.communicate() |
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if p.returncode != 0: |
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print "failed to retrieve IP interface names" |
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return smf_include.SMF_EXIT_ERR_FATAL |
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ifnames = output.splitlines() |
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# DHCP agent datalinks are always 15 characters in length. They start with |
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# 'evs', end with '_0', and in between they are hexadecimal digits. |
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prog = re.compile('evs[0-9A-Fa-f\_]{10}_0') |
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for ifname in ifnames: |
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if not prog.search(ifname): |
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continue |
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try: |
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# first remove the IP |
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check_call(["/usr/bin/pfexec", "/usr/sbin/ipadm", "delete-ip", |
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ifname]) |
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# get the tenant, evs, and vport name for the VNIC |
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cmd = ["/usr/sbin/dladm", "show-vnic", "-po", |
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"tenant,evs,vport", ifname] |
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p = Popen(cmd, stdout=PIPE, stderr=PIPE) |
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output, error = p.communicate() |
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if p.returncode != 0: |
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print "failed to retrieve Tenant, EVS," \ |
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" and VPort info for a VNIC" |
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return smf_include.SMF_EXIT_ERR_FATAL |
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tenant, evs, vport = output.strip().split(':') |
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# next remove the VNIC |
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check_call(["/usr/bin/pfexec", "/usr/sbin/dladm", "delete-vnic", |
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ifname]) |
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# remove the EVS VPort |
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check_call(["/usr/sbin/evsadm", "remove-vport", "-T", tenant, |
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"%s/%s" % (evs, vport)]) |
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except CalledProcessError as err: |
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print "failed to remove datalinks used by DHCP agent: %s" % err |
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return smf_include.SMF_EXIT_ERR_FATAL |
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return smf_include.SMF_EXIT_OK |
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if __name__ == "__main__": |
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os.putenv("LC_ALL", "C") |
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smf_include.smf_main() |